SLUS772G
March 2008 – June 2020
TPS40210
,
TPS40211
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Soft Start
7.3.2
BP Regulator
7.3.3
Shutdown (DIS/ EN Pin)
7.3.4
Minimum On-Time and Off-Time Considerations
7.3.5
Setting the Oscillator Frequency
7.3.6
Synchronizing the Oscillator
7.3.7
Current Sense and Overcurrent
7.3.8
Current Sense and Subharmonic Instability
7.3.9
Current Sense Filtering
7.3.10
Control Loop Considerations
7.3.11
Gate Drive Circuit
7.3.12
TPS40211
7.4
Device Functional Modes
7.4.1
Operation Near Minimum Input Voltage
7.4.2
Operation With DIS/ EN Pin
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
12-V to 24-V Nonsynchronous Boost Regulator
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design with WEBENCH Tools
8.2.1.2.2
Duty Cycle Estimation
8.2.1.2.3
Inductor Selection
8.2.1.2.4
Rectifier Diode Selection
8.2.1.2.5
Output Capacitor Selection
8.2.1.2.6
Input Capacitor Selection
8.2.1.2.7
Current Sense and Current Limit
8.2.1.2.8
Current Sense Filter
8.2.1.2.9
Switching MOSFET Selection
8.2.1.2.10
Feedback Divider Resistors
8.2.1.2.11
Error Amplifier Compensation
8.2.1.2.12
RC Oscillator
8.2.1.2.13
Soft-Start Capacitor
8.2.1.2.14
Regulator Bypass
8.2.1.2.15
Bill of Materials
8.2.1.3
Application Curves
8.2.2
12-V Input, 700-mA LED Driver, Up to 35-V LED String
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
65
11.1.2
Related Devices
11.1.3
Development Support
11.1.3.1
Custom Design with WEBENCH Tools
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Related Links
11.4
Receiving Notification of Documentation Updates
11.5
Support Resources
11.6
Trademarks
11.7
Electrostatic Discharge Caution
11.8
Glossary
12
Mechanical, Packaging, and Orderable Information
78
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
DRC|10
DGQ|10
散热焊盘机械数据 (封装 | 引脚)
订购信息
slus772g_oa
slus772g_pm
1
Features
Functional Safety-Capable
Documentation available to aid functional safety system design
For boost, flyback, SEPIC, LED drive apps
Wide input operating voltage: 4.5 V to 52 V
Adjustable oscillator frequency
Fixed frequency current mode control
Internal slope compensation
Integrated low-side driver
Programmable closed-loop soft start
Overcurrent protection
External synchronization capable
Reference 700 mV (TPS40210), 260 mV (TPS40211)
Low current disable function
Create a custom design using the TPS4021x with the
WEBENCH Power Designer